“At the heart of quantitative reasoning is a single question: Compared to what?”

– Edward Tufte

This week, we will learn some of the technical details of how to create charts to compare values to one another and to a benchmark. Most of these articles have code in them that illustrate how to create each chart type, and I encourage you to try and reproduce the examples provided in R yourself. In addition to these articles, another particularly useful site to review is the top 50 ggplots, which contains examples with ggplot code to create 50 common visualizations.

Plot types for comparing values:

Optional readings:


EMSE 4197 (CRN 78916): Exploratory Data Analysis - Spring 2020
George Washington University | School of Engineering & Applied Science
Dr. John Paul Helveston | jph@gwu.edu | Wednesdays | 12:45–3:15 PM | District House B205 | |
This work is licensed under a Creative Commons Attribution 4.0 International License.
See the licensing page for more details about copyright information.
Content 2020 John Paul Helveston